/* Copyright (c) 2013, Dustin Mitchell dmmitche <at> gmail <dot> com
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the document
 *   and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __COMMAND_PARAM__
#define __COMMAND_PARAM__

#include <string>

class CommandParam
{
public:
  typedef enum
  {
    TypeString,
    TypeInt
  } ParamType;

  CommandParam (const std::string& str);
  CommandParam (int i);
  CommandParam (const CommandParam& p);
  ~CommandParam ();

  const CommandParam& operator= (const CommandParam& p);

  ParamType get_type () const { return _type; }
  const std::string& get_str () const;
  int get_int () const;
  void clone (const CommandParam& p);
  bool verify_type (char t);

private:
  union
  {
    std::string* _str;
    int _i;
  } _param;

  ParamType _type;
};

#endif /* __COMMAND_PARAM__ */
